Updated on Aug 2nd, 2025. Joan Dalton 1825-1876 (daughter of James Dalton & Mary Barrett) married Patrick Sullivan from Knocknagorna, Athea. Joan Dalton & Patrick O’Sullivan had the following family – 1.Patrick O’ Sullivan married Mary Mullane from Dirreen, Athea and had the following family – i. Mary O’Sullivan (daughter of (Patrick O’Sullivan & Mary…